#region The MIT License
// The MIT License
// 
// Copyright (c) 2009 octalforty studios
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#endregion
using System;
using System.Xml;
using octalforty.Componento.Shared.SemanticModel;

namespace octalforty.Componento.Shared.Util
{
    public class DependenciesParser
    {
        private readonly XmlNamespaceManager namespaceManager;

        public DependenciesParser()
        {
            namespaceManager = new XmlNamespaceManager(new NameTable());
            namespaceManager.AddNamespace("componento", "http://schemas.componento.net/1.0/dependencies.xsd");
        }

        public ComponentReference[] ParseDependencies(XmlNode xmlNode)
        {
            return ParseDependencies(xmlNode, namespaceManager);
        }

        public ComponentReference[] ParseDependencies(XmlNode xmlNode, XmlNamespaceManager xmlNamespaceManager)
        {
            return XmlParserUtil.Parse<ComponentReference>(xmlNode, "componento:dependencies/componento:dependency", xmlNamespaceManager, 
                                                           delegate(XmlNode xn)
                                                               {
                                                                   string name = xn.Attributes["name"].Value;
                                                                   Version version = XmlParserUtil.ParseAttributeValue<Version>(xn.Attributes["version"],
                                                                                                                                delegate(string s) { return new Version(s); });
                                                                   Uri uri = XmlParserUtil.ParseUri(xn.Attributes["uri"]);

                                                                   return new ComponentReference(name, version, uri);
                                                               });
        }
    }
}